→Petzold, K., & Wolbring, T. (2018). What Can We Learn from Factorial Surveys about Human Behavior? A Validation Study Comparing Field and Survey Experiments on Discrimination. Methodology. https://dx.doi.org/10.1027/1614-2241/a000161

→Krug, G., & Eberl, A. (2018). What explains the negative effect of unemployment on health? An analysis accounting for reverse causality. Research in Social Stratification and Mobility. https://dx.doi.org/10.1016/j.rssm.2018.03.001